Folding oar-lock.



- Patented Nov. Ii, I902. J. M. BIRTELS. FOLDING OAR LOCK.

(Application filed Nov. 5, 1901. Renewed Oct. 16, 1902.)

(No Mndei.)

UNTTED STATES PATENT OFFICE.

JOHN M. BIRTELS, OF CASS LAKE, MINNESOTA, ASSIGNOR TO MICHAEL L. TOOLE,JACOB E. JOHNSTON, ANNA KENNEDY, JAMES E. NELSON, AND JAMES CARDLE, OFCASS LAKE, MINNESOTA.

FOLDING OAR-LOCK.

SEEGIFICATION forming part of Letters Patent N 0. 713,551, datedNovember 11, 1902.

Application filed November 6,1901. Renewed October 16, 1902. Serial No.127,607. (No model.)

T all 1071071?! it y COW/087%: its attached oar-lock can take placeacci- Beitknown that 1, JOHN M. BIRTELS, a citidentally or in event ofthe breakage or diszen oftheUnited States,residing at Oass Lake,placement of the pin 18. Thus the block 15 in the county of Cass andState of Minnesota, can be supported upon the upper rear edge have madecertain new and useful Improveof the part 11, as shown in Figs. 1 and4:, or 55 ments in Folding Oar-Locks, of which the folturned outward anddownward and project lowing is a specification. through the opening 14,as shown in Fig. 5,

This invention relates to oar-locks adapted turning upon the pivot 18 asa center.

to be folded down out of the way when not in is the oar-lock, which isof the usual I0 use; and it consists in the construction, comshape andis provided with a central stud 11, 6o bination, and arrangement ofparts, as herefitting down through an aperture in the inafter shown anddescribed, and specifically block 15 and secured revolubly therein, asby pointed out in the claims. a button 13. The oar-lock is thus free toFigure 1 is a side elevation, Fig. 2 is a top move in the block to adaptitself to the move- 15 plan view, and Fig. 3 is a bottom plan view, mentof the oar and be firmly supported in of the device complete. Fig. 4: isan end elethe block 15 and on the base 19 when in use, vation of theoar-lock elevated or ready for while at the same time the oar-lock canbe use, and Fig. 5 is an end elevation showing folded down inside theboat when not in use, the oar-lock folded down as when not in use. asshown in Fig. 5.

20 Fig. 6 is a side elevation in section on the The button 13 is rigidlyconnected to the line as m of Fig. 3. Fig. 7 is an end elevation stud11, so as to turn with the oar-lock, and in cross-section on the line 'y3 of Fig. 1. Fig. is secured transversely thereto, so that when 8 is adetached perspective view of the tiltthe oar-lock is in position foruse, as in Figs. ing block. Fig. 9 is a detached perspective 1, 2, 3, 4,6, and 7, one of the projecting ends 25 view of the same viewed from thebottom. of the button will engage the lower edge 21 19 is thebase-plate, adapted to be attached of the outer wall of the part- 14 toserve as a to the-gunwale 17 of the boat, as by lugs 12, lock to preventthe oar-lock from being and with the central part 1 L elevated andturned over, as in Fig. 5. The button will formed hollow and with atransverse central be of sufficient width to permit the oar-lock 30opening 1 1. to have the necessary swivel movement upon 15 is a blockhaving lateral lugs 16, through its pivot 11 to accommodate itself tothe movewhich a horizontal pin 18 passes, the ends of merit of the oar,while at the same time wide the pin being journaled in bearings in theenough to retain its. position in engagement raised central portion 14of the base 19, by with the part 21 unless the oar-lock be turned 5which means the block 15 is pivoted in the at right angles to thegunwale-a position it base and projects outward through the cenwouldnever assume when in use. By this tral opening 14:. The bearings for thepin simple means no danger exists of the oar-lock 18 are wholly withinthe casing 14, so that no being displaced when in use, while at the samepart of the block 15 projects inside of the base time easily and readilyadapted to be folded 4o 19 or the projection 14:, carried thereby, whendown when not in use. Thus a Very simple, 0. the oar-lock is elevatedinto its working posicheap, and convenient device is produced tion, asshown in Figs. 1, 2, 3, 6, and 7. Thus which possesses all theadvantages of the orno obstruction is presented inside the gundinaryswivel oar-lock, while at the same wale when the oar-lock is in actionto catch time being readily and quickly foldable down 5 the clothingofthe operator or otherwise interout of the way when not in use. 5 ferewith the operations. The lateral lugs 6 Having fully described myinvention, what project beneath and engage the under side of I claim tobe new and novel, and desire to ohthe top of the casing let, so that allupward tain by Letters Patent, is strains are borne by the lugs, andalso pro- 1. In a folding oar-lock, a supporting-base 5o vide that nodisplacement of the block 15 and having a hollow upwardly-projectingcentral 10o portion with a transverse opening through its top and oneside, a block projecting through said transverse opening and havinglateral studsengaging the interior of said central projecting portionand afiording partial support to said block, a pivotal pin passingthrough said studs and said block and secured by its ends in saidprojecting portion, and an oar-lock pivotally secured in said block,substantially as set forth.

2. In a folding oar-lock, a base-frame having a transverse centralcavity, a block pivotally disposed in said base and adapted to projectthrough said cavity, an oar-lock pivoted in said block throughsaid'cavity, and a movable button disposed to lock said block in itsupward position, substantially as and for the purpose set forth.

3. In a folding oar-lock, a supporting-base 2O pivotally disposed insaid base and adapted to project through said cavity, an oar-lock havinga pivot projecting through said block, and an elongated button rigidlysecured to said pivot and adapted to look said oar-lock in operativeposition.

In testimony whereof I affix my signature in the presence of twowitnesses.

JOHN M. BIRTELS.

Witnesses:

E. M. STANTON, H. E. STANTON.

